Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Charge-transfer reactions in atom scattering from ionic surfaces: a time-dependent wavepacket approach.

G R Darling1, Y Zeiri, R Kosloff

  • 1Surface Science Research Centre, Department of Chemistry, University of Liverpool, Liverpool, UK L69 3BX.

Faraday Discussions
|March 29, 2001
PubMed
Summary

This study details charge transfer between fluorine atoms and ionic surfaces like LiF and KI. Quantum dynamics reveal a high probability of ion formation, closely matching experimental thresholds for negative-ion production.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Discovery of Crystalline Inorganic Solids in the Digital Age.

Accounts of chemical research·2025
Same author

Imaging Recoil Ions from Optical Collisions between Ultracold, Metastable Neon Isotopes.

Physical review letters·2019
Same author

Structure determination and crystal chemistry of large repeat mixed-layer hexaferrites.

IUCrJ·2018
Same author

The Flexible Unit Structure Engine (FUSE) for probe structure-based composition prediction.

Faraday discussions·2018
Same author

Two-Dimensional Wetting of a Stepped Copper Surface.

Physical review letters·2018
Same author

Accelerated discovery of two crystal structure types in a complex inorganic phase field.

Nature·2017

Area of Science:

  • Surface science
  • Atomic physics
  • Quantum mechanics

Background:

  • Efficient ion formation observed in fluorine atom interactions with LiF(100) and KI(100) surfaces.
  • Understanding charge transfer mechanisms at surfaces is crucial for materials science and catalysis.

Purpose of the Study:

  • To investigate the charge transfer dynamics between fluorine atoms and ionic surfaces (F/LiF(100) and F/KI(100)).
  • To model the potential energy surfaces and quantum dynamics governing ion formation.
  • To explain the experimentally observed high efficiency of ion formation and the threshold for negative-ion production.

Main Methods:

  • Generation of potential energy surfaces using a semi-empirical scheme.
  • Quantum dynamics calculations employing time-dependent wavepacket methods.

Related Experiment Videos

  • Analysis of curve-crossing phenomena between ground and charge-capture states.

    • Main Results:

    • Initial ion-formation probability calculated to be unity for all examined systems.
    • Effective threshold for negative-ion production closely aligns with experimental data at low energies.
    • Re-neutralization processes via back charge transfer to the solid's conduction band were investigated.

    Conclusions:

    • The study provides a theoretical framework explaining the high efficiency of ion formation during fluorine atom interaction with ionic surfaces.
    • Quantum dynamics accurately predict the threshold for negative-ion production, validating the semi-empirical model.
    • Further investigation into re-neutralization mechanisms is warranted for a complete understanding.